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Daniels Dennis Prospect

Occurrence in Calaveras county in California, United States with commodity Manganese
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10028636
MRDS ID M005730
Record type Site
Current site name Daniels Dennis Prospect

Geographic coordinates

Geographic coordinates: -120.80129, 38.05547 (WGS84)
Relative position 4.2 MI. E OF MILTON ALONG THE ROAD TO ALTAVILLE N1/2. SHOWN IN SW1/4 NE1/4 ON MAP GP-561

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Jenny Lind(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower San Joaquin River(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 002N 011E 06 California

Commodities

Commodity Importance
Manganese Critical Tertiary

Materials information

Materials Type of material
Psilomelane Ore
Pyrolusite Ore
Rhodonite Ore

Analytical data

Result AVG. ORE GRADE 20 PERCENT MANGANES

Nearby scientific data

(1) -120.80129, 38.05547
ListMap

Economic information

Ore body information

  • Strike N 10 - 15 W
    Dip 60 - 75 E
    Thickness 1.07M

Comments on the geologic information

  • GEOL.DESC: A BED OF MANGANESE ORE IS EXPOSED IN A SERIES OF SMALL, SHALLOW CUTS; ORE BED IS 1-3.5' THICK AND IS ENCLOSED IN CHERT. THE CHERT AND MANANESE ORE ARE ENCLOSED IN METATUFF, METAVOLCANICS, AND METABRECCIA MANGANESE ORE CONSISTS OF MANGANESE OXIDES, MOSTLY HARD, BRITTLE PSILOMELANE, BUT SOME SOFT, SOOTY PYROLUSITE ALSO PRESENT. ORE IS LOW GRADE -- RANGES FROM LESS THAN 1 TO AS MUCH AS 30% MN; ABOUT 2% FE IS PRESENT. USBM SAY OF NO ECONOMIC IMPORTANCE. SERIES OF SMALL, SHALLOW CUTS; TOTAL LENGTH ALONG THE WORKINGS IS 930'.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    CALIF. B. 152, P. 41-42; B. 125, P. 106

  • Deposit

    EC. MINERAL MAP NO. 5, 1943

  • Deposit

    USBM R.I. 5579, P. 22

  • Deposit

    CALIF. COUNTY REPT. NO. 2 , P. 212 ; USGS MR-23

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey
Updater 01-APR-1977 Von Dohlen, E.; Albers, J. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.